33pc Security Tamper Proof Torq Torx Hex Bit Set Includes 2-1/2" Magnetic Holder Fits most popular sizes of tamper-proof fasteners,Top and bottom bit boots Set also includes 2-1/2" magnetic bit holder Bit Sizes:T-8, T-10, T-15, T-20, T-25, T-27, T-30, T-35, and T-40 Tamper Resistant Star Bits 5/64, 3/32, 7/64, 1/8, 9/64 and 5/32" SAE Tamper Resistant Hex Bits 2, 2.5, 3, 4, 5, and 6mm Metric Tamper Resistant Hex Bits